Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la
If it fails: lemon-manuals.org.ua

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Design and Clearance Specifications

GM 4 SPEED 76 mm WITH OVER DRIVE

Clutch Cover to Transaxle Case Bolts 16 ft lbs


Transmission End Cover Plate Attaching Bolt 15 ft lbs


Ring Gear Attaching Bolts 54 ft lbs


1st speed output gear assembly endplay
Not to Excced 0.004 inch -0.005 inch

Input Shaft Bearing Retainer Bolts 7 ft lbs